Index I
I is for... Idiot board - A large white placard placed just to the side of the camera which reminds the host of their lines or what the next round is.
Shows
| Title | Genre |
| I Blame the Spice Girls | Comedy panel game (television) |
| I Can Do That | Childrens |
| I Can See Your Voice | Variety |
| I Don't Like Mondays | Stunts and dares |
| I Guess That's Why They Call It the News | Radio, comedy panel game (news) |
| I Kissed a Boy | Reality, dating |
| I Like the Way U Move | Reality, Dating |
| I Literally Just Told You | Memory quiz |
| I Love My Country | Comedy panel game |
| I Packed My Bag | Quiz, themed (memory) |
| I Suppose You Think That's Funny | Comedy panel game (comedy) |
| I Survived a Zombie Apocalypse | Reality, horror |
| Ice Warriors | Action and adventure |
| I'd Do Anything (1) | Stunts and dares |
| I'd Do Anything (2) | Variety, reality |
| Identity | Decision making |
| If I Ruled the World... | Comedy panel game (politics) |
| I'll Get This | Dinner-table stunts |
| I'm an Aussie... Get Me Out of Here! | Reality |
| I'm a Celebrity... Get Me Out of Here! | Reality |
| I'm Famous and Frightened! | Reality |
| The Imitation Game | Comedy panel game |
| !mpossible | Quiz, general knowledge |
| Impossible? | Variety, decision making |
| The Impressionists | Radio, comedy panel game |
| Impromptu | Comedy panel game |
| Improvisation My Dear Mark Watson | Comedy panel game |
| I'm Sorry I Haven't a Clue | Radio, comedy panel game |
| I'm Spartacus | Radio, comedy panel game (film) |
| I'm the Answer | Quiz, general knowledge |
| Incognito | Puzzle |
| Incognito Quiz | Comedy panel game |
| Incredible Edible Challenge | Stunts and dares |
| Incredible Games | Childrens |
| Indecent Proposals | Stunts and dares |
| The Indoor League | Sports |
| In for a Penny | Family show |
| In It to Win It | Quiz, general knowledge |
| In My Opinion | Panel game |
| In the Dark | Stunts and dares |
| In the Grid | Family game show |
| In With a Shout | General knowledge quiz |
| Infatuation UK | Dating |
| Innovation Nation | Technological |
| Inn Quiz | Quiz, general knowledge |
| Insert Name Here | Comedy panel game |
| Inside Clyde | Childrens |
| The Insider | Recruitment |
| Insides Out | Childrens |
| Inspiration! | Radio quiz, themed (science and inventions) |
| Instant Restaurant | Lifestyle |
| Intellect | Puzzle |
| Inter Regional Spelling Competition | Radio, childrens |
| Interceptor | Action and adventure |
| Interior Design Masters | Lifestyle, interior design |
| Interior Rivalry | Lifestyle, business |
| International Bridge Club | Sports (bridge) |
| International King of Sports | Sports |
| International Quiz | Radio, academic quiz |
| Interpub | Quiz, general knowledge |
| The Interrogators | Action and adventure |
| Intuition | Family game show, regional (East of England) |
| Invasion | Quiz, themed (Wales) |
| IQ/NI | Regional (Northern Ireland) quiz |
| Iron Chef UK | Lifestyle |
| The Island | Panel game |
| It Pays to Behave | Comparative parenting |
| It Shouldn't Happen to a Quiz Show Host | Documentary |
| It Strikes a Chord | Quiz, themed (music) |
| It's a Knockout/Jeux Sans Frontieres | Stunts and dares |
| It's a Mystery | Panel game |
| It's Anybody's Guess | Family game show |
| It's Anyone's Game | Regional quiz, themed (sports) |
| It's Beadle | Stunts and dares |
| It's Going to Penalties | Comedy panel game (sports) |
| It's Not Fair | Childrens |
| It's Not Me, It's You | Comedy panel game |
| It's Not the Answer | Quiz, general knowledge |
| It's Not What You Know (1) | Quiz, general knowledge |
| It's Not What You Know (2) | Radio, panel game |
| It's Now or Never | Stunts and dares |
| It's Only A Theory | Philosophy, panel game |
| It's Only TV... But I Like It | Quiz, themed (television) |
| It's Patently Obvious | Panel game |
| It's Torture! | Childrens |
| It's Tough at the Top | Childrens |
| It's Your Round | Radio, Comedy panel game |
| It's Your Word | Childrens |
| ITV Play | Puzzle |
| ITV Soap Challenge | Quiz, themed (ITV soap operas) |
| I've Got a Secret | Panel game |
